The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.
Tahoma; \colortbl ;\red0\green0lue255; 00 Range & Status
Archaeophyte; European Temperate species. Mainly in the chalk and limestone areas of southern England, Eastern Ireland and rare in Wales.
Presumed to be extinct in Cornwall. Formerly found in eleven 1km squares and last seen in 1973 in West Penwith.
Habitat & Ecology
An arable weed and casual of waste places.
I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.
The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.